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<h1 class="refname">Collection::replaceOne</h1>
<p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">Collection::replaceOne</span> — <span class="dc-title">Replace one collection document</span></p>
</div>
<div class="refsect1 description" id="refsect1-mysql-xdevapi-collection.replaceone-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type mysql_xdevapi\Result">mysql_xdevapi\Result</span></span> <span class="methodname"><strong>mysql_xdevapi\Collection::replaceOne</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$id</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$doc</code></span>
)</div>
<p class="para rdfs-comment">
Updates (or replaces) the document identified by ID, if it exists.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mysql-xdevapi-collection.replaceone-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">id</code></dt>
<dd>
<p class="para">
ID of the document to replace or update. Typically this is
the _id that was generated by MySQL Server when the record
was added.
</p>
</dd>
<dt>
<code class="parameter">doc</code></dt>
<dd>
<p class="para">
Collection document to update or replace the document matching
the <strong class="option unknown">id</strong>
parameter.
</p>
<p class="para">
This document can be either a document object or a valid JSON string
describing the new document.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-mysql-xdevapi-collection.replaceone-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
A Result object that can be used to query the number of affected items and the
number warnings generated by the operation.
</p>
</div>
<div class="refsect1 examples" id="refsect1-mysql-xdevapi-collection.replaceone-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1994">
<p><strong>Example #1 <span class="function"><strong>mysql_xdevapi\Collection::replaceOne()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$session </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_xdevapi</span><span style="color: #007700">\</span><span style="color: #0000BB">getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@localhost"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP DATABASE IF EXISTS addressbook"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE DATABASE addressbook"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$schema </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">getSchema</span><span style="color: #007700">(</span><span style="color: #DD0000">"addressbook"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$schema</span><span style="color: #007700">-></span><span style="color: #0000BB">createCollection</span><span style="color: #007700">(</span><span style="color: #DD0000">"people"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #DD0000">'{"name": "Alfred", "age": 18, "job": "Butler"}'</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// Normally the _id is known by other means, <br />// but for this example let's fetch the generated id and use it<br /></span><span style="color: #0000BB">$ids </span><span style="color: #007700">= </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">getGeneratedIds</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$alfred_id </span><span style="color: #007700">= </span><span style="color: #0000BB">$ids</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">];<br /><br /></span><span style="color: #FF8000">// ...<br /><br /></span><span style="color: #0000BB">$alfred </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">getOne</span><span style="color: #007700">(</span><span style="color: #0000BB">$alfred_id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$alfred</span><span style="color: #007700">[</span><span style="color: #DD0000">'age'</span><span style="color: #007700">] = </span><span style="color: #0000BB">81</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$alfred</span><span style="color: #007700">[</span><span style="color: #DD0000">'job'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'Guru'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">replaceOne</span><span style="color: #007700">(</span><span style="color: #0000BB">$alfred_id</span><span style="color: #007700">, </span><span style="color: #0000BB">$alfred</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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